RES-Q Descender Jumper:

LINQ Height Safety and Lifting and Rigging products are created for safety without compromise by using the highest-quality materials engineered for comfort, performance and durability. LINQ far exceeds AS/NZS safety standards for your peace of mind. 

LINQ is a renowned PPE brand respected in Australia and New Zealand for premium quality products certified beyond requirements and sold at affordable prices. When you see LINQ, you are seeing a better product. A bold claim backed up with the testing to prove it.